Beschreibung
Thermodynamic and Physico-Chemical properties of pure liquids and liquid mixtures can be investigated from the study of ultrasonic sound velocity. The measurements of sound velocity enable the accurate determination of some useful parameters and their excess thermodynamic functions, which are highly sensitive to molecular interactions. These parameters provide qualitative information about the physical nature and strength of the molecular interactions in pure solvents and between two different solvent mixtures. The term "ultrasound" refers to sound energy with a frequency, or pitch, too high to be heard by the human ear. Evolution bestowed bats and dolphins with the abilities to use high-frequency sound waves. About 60 years ago, humans figured out how to take advantage of ultrasound. This led to ultrasonic non-destructive testing becoming a well-established quality control technique employed by a wide variety of industries for a diverse range of applications. Ultrasonic sound waves can help measure material thickness, integrity and other physical properties in manufacturing or in-service situations.
Autorenporträt
Dr. G. Pavan Kumar is now working in Advanced Analytical Laboratory, DST-PURSE Programme, Andhra University, Visakhapatnam. He has Completed Ph.D in Physics,2015 and have published papers in international and national journals.
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